SUPPLEMENTAL INFORMATION - Schedule of Certain Supplemental Information Related to Cash Flows (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
All other operating activities
All other operating activities	$ (2,190)	$ (5,040)
Net dispositions (purchases) of GE shares for treasury
Net dispositions (purchases) of GE shares for treasury	(2,732)	(14,292)
GE
All other operating activities
(Gains) losses on purchases and sales of business interests	(42)	(3,140)
Contract assets (net)	(3,202)	(2,431)
Income taxes	(709)	(1,184)
Interest charges	353	182
Principal pension plans	1,542	1,680
Other	(1,122)	(114)
All other operating activities	(3,180)	(5,007)
Net dispositions (purchases) of GE shares for treasury
Open market purchases under share repurchase program	(3,344)	(14,244)
Other purchases	0	(776)
Dispositions	612	726
Net dispositions (purchases) of GE shares for treasury	(2,732)	(14,292)
Current tax expense (benefit)	583	500
Net cash paid for income taxes	(1,292)	(1,684)
Interest expense	1,200	1,007
Cash paid for interest	(848)	(825)
Pension costs	1,869	1,780
Employer contributions	$ (327)	$ (100)